Перегляд за автором "Popov, A.I."

Результати 1-10 з 10

Cathodoluminescence characterization of polystyrene-BaZrO₃ hybrid composites

Savchyn, V.P.; Popov, A.I.; Aksimentyeva, O.I.; Klym, H.; Horbenko, Yu.Yu.; Serga, V.; Moskina, A.; Karbovnyk, I. (Физика низких температур, 2016)

The radiation properties and the electronic structure of hybrid composites based on suspension polystyrene (PS) and nanocrystals of BaZrO₃ (BZO) ( d < 50 nm) have been studied using luminescent spectroscopy and x-ray ...
Crystalline phase detection in glass ceramics by EPR spectroscopy

Antuzevics, A.; Rogulis, U.; Fedotovs, A.; Popov, A.I. (Физика низких температур, 2018)

The advances of EPR spectroscopy for the detection of activators as well as determining their local structure in the crystalline phase of glass ceramics is considered. The feasibility of d-element (Mn²⁺, Cu²⁺) and ...
Effect of electron irradiation conditions on the efficiency of defect formation in MgAl₂O₄ spinel

Kazarinov, Yu.H.; Pop, O.M.; Megela, I.G.; Popov, A.I. (Problems of Atomic Science and Technology, 2022)

The efficiency of defect formation in spinel ceramics of magnesium aluminate (MgAl₂O₄) under electron irradiation has been determined. A strong effect of cooling on the concentration of residual defects was revealed. When ...
Long-term evolution of luminescent properties in CdI₂ crystals

Karbovnyk, I.; Bolesta, I.; Rovetskyi, I.; Lesivtsiv, V.; Shmygelsky, Ya.; Velgosh, S.; Popov, A.I. (Физика низких температур, 2016)

Fresh and aged melt-grown or gas-phase grown CdI₂ crystals are studied by means of low-temperature photoluminescence spectroscopy. Noticeable transformations of emission spectra are observed after long-term aging. The ...
Low-temperature radiation effects in wide gap materials

Popov, A.I.; Lushchik, A.; Kotomin, E. (Физика низких температур, 2016)
Optical absorption and luminescence studies of fast neutron-irradiated complex oxides for jewellery applications

Mironova-Ulmane, N.; Skvortsova, V.; Popov, A.I. (Физика низких температур, 2016)

We studied the optical absorption and luminescence of agate (SiO₂), topaz (Al₂[SiO₄](FOH)₂), beryl (Be₃ Al₂Si₆O₁₈), and prehnite (Ca₂Al(AlSi₃O₁₀)(OH)₂) doped with different concentrations of transition metal ions and exposed ...
Positron annihilation characterization of free volume in micro- and macro-modified Cu₀.₄Co₀.₄Ni₀.₄Mn₁.₈O₄ ceramics

Klym, H.; Ingram, A.; Shpotyuk, O.; Hadzaman, I.; Solntsev, V.; Hotra, O.; Popov, A.I. (Физика низких температур, 2016)

Free volume and pore size distribution size in functional micro and macro-micro-modified Cu₀.₄Co₀.₄Ni₀.₄Mn₁.₈O₄ ceramics are characterized by positron annihilation lifetime spectroscopy in comparison with Hg-porosimetry ...
Radiation creation of cation defects in alkali halide crystals: Review and today’s concept

Lushchik, A.; Lushchik, Ch.; Vasil’chenko, E.; Popov, A.I. (Физика низких температур, 2018)

Irradiation of alkali halide crystals creates pairs of Frenkel defects both in anion and cation sublattices. How-ever, the particular nonimpact creation mechanisms (related to the decay of different electronic excitations) ...
Theoretical analysis of the kinetics of low-temperature defect recombination in alkali halide crystals

Kuzovkov, V.N.; Popov, A.I.; Kotomin, E.A.; Moskina, A.M.; Vasil'chenko, E.; Lushchik, A. (Физика низких температур, 2016)

We analyzed carefully the experimental kinetics of the low-temperature diffusion-controlled F, H center recombination in a series of irradiated alkali halides and extracted the migration energies and pre-exponential ...
UV-VUV synchrotron radiation spectroscopy of NiWO₄

Kuzmin, A.; Pankratov, V.; Kalinko, A.; Kotlov, A.; Shirmane, L.; Popov, A.I. (Физика низких температур, 2016)

Photoluminescence and excitation spectra of microcrystalline and nanocrystalline nickel tungstate (NiWO₄) were measured using UV-VUV synchrotron radiation source. The origin of the bands is interpreted using comparative ...

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Перегляд за автором "Popov, A.I."

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